cmake HAVE_CFMAKERAW examples

FujiNetWIFI/fujinet-firmware components_pc/libssh/ConfigureChecks.cmake :259

check_function_exists(cfmakeraw HAVE_CFMAKERAW)

hatari/hatari CMakeLists.txt :228

check_symbol_exists(cfmakeraw "termios.h" HAVE_CFMAKERAW)